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Diffstat (limited to 'src/devices/cpu/rw5000/rw5000d.h')
-rw-r--r-- | src/devices/cpu/rw5000/rw5000d.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/devices/cpu/rw5000/rw5000d.h b/src/devices/cpu/rw5000/rw5000d.h new file mode 100644 index 00000000000..ba812f7d31f --- /dev/null +++ b/src/devices/cpu/rw5000/rw5000d.h @@ -0,0 +1,112 @@ +// license:BSD-3-Clause +// copyright-holders:hap +/* + + Rockwell A/B5000 family MCU disassembler + +*/ + +#ifndef MAME_CPU_RW5000_RW5000D_H +#define MAME_CPU_RW5000_RW5000D_H + +#pragma once + + +class rw5000_common_disassembler : public util::disasm_interface +{ +public: + rw5000_common_disassembler(); + virtual ~rw5000_common_disassembler() = default; + + virtual u32 opcode_alignment() const override { return 1; } + virtual u32 interface_flags() const override { return NONLINEAR_PC | PAGED; } + virtual u32 page_address_bits() const override { return 6; } + virtual offs_t pc_linear_to_real(offs_t pc) const override { return (pc & ~0x3f) | m_l2r[pc & 0x3f]; } + virtual offs_t pc_real_to_linear(offs_t pc) const override { return (pc & ~0x3f) | m_r2l[pc & 0x3f]; } + +protected: + enum e_mnemonics : unsigned; + static const char *const s_name[]; + static const u8 s_bits[]; + static const u32 s_flags[]; + + u8 m_l2r[0x40]; + u8 m_r2l[0x40]; + + offs_t increment_pc(offs_t pc); + offs_t common_disasm(const u8 *lut_opmap, std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms); +}; + +class a5000_disassembler : public rw5000_common_disassembler +{ +public: + a5000_disassembler() = default; + virtual ~a5000_disassembler() = default; + + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + static const u8 a5000_opmap[0x100]; +}; + +class a5500_disassembler : public rw5000_common_disassembler +{ +public: + a5500_disassembler() = default; + virtual ~a5500_disassembler() = default; + + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + static const u8 a5500_opmap[0x100]; +}; + +class b5000_disassembler : public rw5000_common_disassembler +{ +public: + b5000_disassembler() = default; + virtual ~b5000_disassembler() = default; + + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + static const u8 b5000_opmap[0x100]; +}; + +class b5500_disassembler : public rw5000_common_disassembler +{ +public: + b5500_disassembler() = default; + virtual ~b5500_disassembler() = default; + + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + static const u8 b5500_opmap[0x100]; +}; + +class b6000_disassembler : public rw5000_common_disassembler +{ +public: + b6000_disassembler() = default; + virtual ~b6000_disassembler() = default; + + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + static const u8 b6000_opmap[0x100]; +}; + +class b6100_disassembler : public rw5000_common_disassembler +{ +public: + b6100_disassembler() = default; + virtual ~b6100_disassembler() = default; + + virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) override; + +private: + static const u8 b6100_opmap[0x100]; +}; + +#endif // MAME_CPU_RW5000_RW5000D_H |